Mathematics, 25.03.2021 06:30 milkshakegrande101
What are the first two steps in solving the radical equation below?
square root of x +3 -7 = 15
A. Add 7 to both sides and then square both sides.
B. Square both sides and then add 7 to both sides.
C. Add 7 to both sides and then subtract 3 from both sides.
D. Square both sides and then subtract 3 from both sides.
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
What are the first two steps in solving the radical equation below?
square root of x +3 -7 = 15
Biology, 29.10.2020 20:20
Mathematics, 29.10.2020 20:20
Chemistry, 29.10.2020 20:20
Mathematics, 29.10.2020 20:20
Biology, 29.10.2020 20:20